
Cheese is a beloved staple in many diets and melted cheese is a common ingredient in many dishes. However, melting cheese can be tricky and sometimes it just won't melt. The good news is that there are several ways to fix this problem. The type of cheese, the temperature, and the presence of additives can all affect how well a cheese melts. In this article, we will explore the science behind melting cheese and provide tips and tricks to ensure your cheese melts perfectly every time.
How to fix cheese that won't melt
| Characteristics | Values |
|---|---|
| Type of Cheese | American cheese, Velveeta, Jack, Gruyère, Jarlsberg, low-moisture mozzarella, cheddar, Monterey Jack, Comté, fontina, Manchego |
| Texture | Smooth, velvety, less temperature-dependent |
| Temperature | Heat gently and evenly |
| Technique | Grate, shred, slice, chop, moisten, expose to more surface area, add starch, emulsifiers like mustard, egg yolk, cream |
| Combination | Semi-firm melting cheeses with American cheese |
| Liquid | Heat the liquid first, then add the cheese |
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What You'll Learn

Use American cheese
If you're looking to fix cheese that won't melt, American cheese is a great option to consider. American cheese is specifically designed to be extremely meltable and nearly impossible to break down, making it a versatile ingredient for your cheesy creations. Here's how you can use American cheese to address your melting challenges:
The Science Behind American Cheese
American cheese has a unique composition that sets it apart from other varieties. It is a processed cheese product, often referred to as "cheese food," and its meltability can be attributed to the presence of sodium citrate. This additive plays a crucial role in ensuring that American cheese melts smoothly without separating or forming clumps. When heated, the cheese transforms into a homogeneous liquid, enhancing the overall texture and appearance of your dish.
Swapping with American Cheese
The versatility of American cheese shines when you need to substitute it for other cheeses that tend to melt poorly. For example, cheeses like cheddar, Monterey Jack, or Gouda can be tricky to melt due to their higher moisture content and protein structure. When heat is applied, these cheeses may separate, resulting in a greasy pool of fat and stringy clumps of protein. By swapping out half of the problematic cheese with American cheese, you can create a stable emulsion that prevents fat separation and promotes a smooth, velvety texture.
Combining with Other Cheeses
American cheese not only rescues your melting woes but also enhances the overall flavor and texture of your dish. When combined with other semi-firm melting cheeses, such as low-moisture mozzarella, Comté, fontina, Gruyère, or Manchego, American cheese contributes to the desired texture and color. The other cheeses in the blend bring depth of flavor and that satisfying stretchy, pull-apart quality. This combination allows you to enjoy the best of both worlds: a beautifully melted cheese blend with a delightful taste experience.
Techniques for Optimal Melting
To get the most out of American cheese, consider these techniques: grate, shred, slice, or chop the cheese into fine pieces to increase the surface area exposed to heat. This simple step encourages even melting and reduces the chances of clumping. Additionally, heating liquids, such as milk or cream, before adding the cheese can further enhance the melting process. By following these tips, you'll be well on your way to creating smooth, luscious cheese sauces and dips that are free from the dreaded "Melted Cheese Problem."
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Add cornstarch
Cornstarch is a great way to fix cheese that won't melt. It is a thickening agent that helps to create a smooth and creamy cheese sauce. Cornstarch is especially useful when making queso, as it provides the dip with a thicker consistency and prevents the cheese from separating.
When making queso, or any other cheese sauce, it is important to first thicken the liquid base before adding the cheese. This can be done by creating a roux or by adding cornstarch to the liquid. Cornstarch absorbs water, thickening the liquid and providing a creamy texture. By adding cornstarch to the liquid before adding the cheese, you can help to prevent the cheese from clumping together and encourage a smooth melt.
Cornstarch is also a useful ingredient to add to shredded cheese. When cheese is shredded, it has a larger surface area, which can lead to the cheese drying out. This can make it more difficult for the cheese to melt evenly and can result in clumping. By adding cornstarch to shredded cheese, you can help to absorb some of the moisture lost and create a smoother, more even melt.
Additionally, cornstarch can be used to fix pre-shredded cheese that is not melting properly. Pre-shredded cheese often contains anti-caking agents, such as potato starch and natamycin, which can prevent the cheese from melting evenly. By adding cornstarch to pre-shredded cheese, you can help to counteract these agents and improve the melting process.
Overall, cornstarch is a valuable tool for fixing cheese that won't melt. It helps to thicken liquids, prevent clumping, and create a smooth and creamy texture. By adding cornstarch to your cheese sauce or shredded cheese, you can improve the melting process and create a more desirable final product.
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Avoid pre-shredded cheese
Pre-shredded cheese is a convenient option for those who want to save time in the kitchen. However, it's important to note that it may not be the best choice if you're looking for a smooth, creamy cheese melt. Here's why you should avoid pre-shredded cheese when aiming for that perfect melt:
The Manufacturing Process: Pre-shredded cheese is often coated with anti-caking agents, such as potato starch or natamycin, to prevent the shreds from clumping together in the bag. These additives can interfere with the melting process, causing the cheese to glob up instead of melting evenly.
Aging and Texture: The texture of cheese changes as it ages. Mild and sharp cheddar, for example, have a higher moisture content and smoother texture than extra sharp or seriously sharp cheddar. This higher moisture content makes them easier to melt. Pre-shredded cheese may be made from older cheeses with a lower moisture content, which can affect their melting ability.
Uneven Melting: When you use pre-shredded cheese in sauces or stovetop dishes, you may notice that it doesn't melt evenly. This is because the shreds are all the same size and shape, resulting in an inconsistent melting rate. Freshly grated cheese, on the other hand, has varying sizes and shapes, allowing for more even melting.
Temperature Sensitivity: Pre-shredded cheese can be more sensitive to temperature changes. It may not respond well to high temperatures and can easily overcook, resulting in a clumpy, seized texture. Freshly grated cheese is less likely to seize up and can handle higher temperatures better.
To achieve the best melting results, it's recommended to grate your own cheese from a block. This way, you can control the texture, moisture content, and melting behaviour. Additionally, letting the cheese come to room temperature before melting can also improve the outcome.
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Heat liquids before adding cheese
When making a cheese sauce, it is always a good idea to heat the liquids first and then add the cheese. This is because cheese has a stable emulsion of dairy fat and water, held together by a protein network. When heat is introduced, the protein structure falls apart, and the emulsion breaks. This causes the fat globules to come together into a greasy pool and the proteins to congeal into a stringy mess.
By heating the liquid first, you can control the temperature and the rate at which the cheese melts. This ensures that the cheese melts evenly and smoothly, reducing the chances of clumping or seizing. It is important to heat the liquid gently and evenly, without overheating, as this can cause the cheese to seize up.
Additionally, the type of cheese you use is crucial. Some cheeses, like American cheese, are specifically designed to be highly meltable and less likely to break. On the other hand, cheeses like cheddar or Monterey Jack are more prone to separation and clumping when melted. If you are using a less meltable cheese, it is recommended to grate or shred it first, as this increases the surface area exposed to the liquid, encouraging a more even melt.
Furthermore, you can add thickeners like cornstarch, flour (in a roux), or other starches to the heated liquid before adding the cheese. These thickeners help to maintain the stability of the emulsion by absorbing water and physically preventing the fat and proteins from separating and forming clumps.
By following these steps and heating the liquids before adding the cheese, you can create a smooth and creamy cheese sauce while avoiding the common issues associated with melting cheese.
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Use a stovetop, not a microwave
When it comes to melting cheese, the stovetop is the best option. While it is possible to melt cheese in a microwave, it is less reliable and you run the risk of overheating or burning the cheese, resulting in an unappealing texture for your sauce. The stovetop provides better control over the melting process, allowing you to heat the cheese gently and evenly, which is crucial for preventing clumping and seizing.
To begin, it is important to bring the cheese to room temperature. Melting cold cheese can result in slow and uneven melting. By allowing the cheese to reach room temperature, you create a more consistent starting point for the melting process. Additionally, the type of cheese you choose matters. Mild and sharp cheddar, for example, have a higher moisture content and are generally easier to melt compared to extra sharp or seriously sharp cheddar.
To further enhance the melting process, consider shredding or grating the cheese. The thin and uniform shape of shredded cheese increases the surface area exposed to heat, promoting faster, more even melting. If you're using pre-shredded cheese, be aware that it may contain additives like potato starch or natamycin to prevent clumping in the bag, which can hinder melting. Freshly grated cheese from a block will always melt better in sauces and stovetop dishes.
Another factor to consider is the presence of moisture. When melting cheese straight or as a topping, you can sprinkle or spread water on top to encourage melting and prevent drying out. For drier, sharper cheeses, grating or shredding them and then letting them sit in water for a while can help reintroduce moisture and improve their melting ability. This is especially effective for older cheeses, which tend to dry out as they age.
Lastly, the stovetop method allows you to control the heat more effectively. Cheese can seize when the proteins stick together instead of melting smoothly. By heating gently and evenly, you reduce the chances of seizing. Additionally, you can add extra liquids closer to the end, once the cheese has already melted, to adjust the consistency of your sauce.
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Frequently asked questions
If your cheese won't melt, it could be due to several reasons. Firstly, pre-shredded cheese contains additives like potato starch and natamycin to prevent clumping, which can hinder melting. Secondly, the protein structure in some cheeses breaks down when heated, causing the fat to separate and the proteins to congeal. To fix this, try using American cheese, which is designed to melt easily. Alternatively, grate your own block cheese, as the thin, uniform shape will melt more quickly and evenly. You can also try adding emulsifiers like mustard, egg yolk, or cream, or thicken your sauce with starch or cornflour.
Pre-shredded cheese often contains additives like potato starch and natamycin to prevent clumping in the bag, which can make it harder to melt. Grating your own block cheese will give you a more uniform shred that melts more easily.
Cheese clumps when heated due to the protein structures sticking together instead of spreading out. This can be caused by uneven texture, high temperatures, or too much liquid. To prevent clumping, try to equalize the texture by shredding or grating your cheese, and heat gently at a lower temperature.
Cheese may not melt smoothly in milk due to its high protein and fat content. Try melting the cheese first, then add milk, or use a different liquid like beer, to create a fondue.
To make a smooth cheese sauce, start by heating your liquid, then slowly add grated cheese. You can also try adding a thickening agent like starch or cornflour to prevent clumping and create a smoother sauce.























